NT IA PL ■ *R oH S CO M Features ■ ■ ■ Applications DC to 3 GHz Terminals for placement on P.C.B. Low VSWR Aluminum Nitride ceramic ■ ■ ■ RF amplifiers Attenuators Antenna feeds CHF3725CNP Series 40 W SMT Power RF Chip Termination Absolute Ratings Power...............................................40 W Frequency ......................................3 GHz VSWR ...............................1.25 Maximum Characteristic Curve 70 60 50 Power (Watts) General Specifications Substrate...........................................ALN Resistive Film...........................Thick Film Terminals.........................................PtAg* Resistance........................................50 Ω Tolerance .........................................±5 % Packaging Tape & Reel.............2000 pcs./13“” reel Bulk ..................................100 pcs./bag 40 30 20 10 0 *Default, other finish options available (see How to Order section). -55 0 100 150 Heat Sink Temperature (°C) Product Dimensions 0.99 (0.039) 9.39 (0.37) 9.39 (0.37) 6.35 (0.25) 2.99 (0.118) BS 1.49 (0.059) DIMENSIONS = MILLIMETERS (INCHES) 1.27 (0.05) 1.52 (0.06) GROUND PLANE How To Order CHF 3725 C N P 500 L Y E Reliable Electronic Solutions Asia-Pacific: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com Model Size Version Substrate Mount P = Printed Circuit Board Value 500 = 50 Ohm Function L = Termination Finish Y = Pt Ag (Default) Z = Sn Pb X = Ni Au Packaging E = Tape & Reel (2,000 pcs./13 ” reel) _ = Bulk (100 pcs./bag) *RoHS Directive 2002/95/EC Jan 27 2003, including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. CHF3725CNP Series 40 W SMT Power RF Chip Termination Packaging Dimensions 8.0 ± 0.2 (.32 ± .008) 2.0 (.080) 4.0 ± 0.2 (.157 ± .008) 7.5 ± 0.2 (0.30 ± .008) 7.3 ± 0.2 (.287 ± .008) 10.3 ± 0.2 (.405 ± .008) 330.0 ± 0.2 (13.0 ± .008) 16.0 ± 0.2 (.63 ± .008) 13.0 ± 0.5 (.512 ± .020) 105.0 ± 0.2 (4.0 ± .008) 1.75 ± 0.1 (.050 ± .004) 4.0 ± 0.1 (.157 ± .004) 1.0 ± 0.2 (.040 ± .008) 1.5 +0.1/-0 (.056 +.004/-0) MAXIMUM THICKNESS: 1.0 (.040) CUMULATIVE TOLERANCE OVER 10 HOLES: 0.2 (.008) 20.5 (.807) DIMENSIONS: Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. 17.0 ± 0.2 (0.7 ± .008) MM (INCHES) COPYRIGHT© 2005, BOURNS, INC. LITHO IN U.S.A., SR0502 05/05